Brake



1933- G. M. HARTSOCK 1,896,952

BRAKE Filed Aug 3, 1929 IN V EN TOR.

ATTORNEE Patented Feb. 7, 1933 UNITED STATES PATENT OFFICE GUY M. HARTSOGK, or SOUTH BEND, mmenanssienonro THE srnnEBAKERoon- PORATION, on son'rn BEND, mnmnmn CQBIORATION on NEWJERSEY BRAKE Application filed August a, 1929. Serial n as'aiss.

This invention relates to brake shoes and particularly to shoes of the internal expanding type, the principal object being to form a brake shoe from a single piece of metal to provide the same with an arcuate lining supporting portion and a pair of radial reinforcing webs converging toward each other.

Another object is to provide a brake shoe comprising an arcuate portion and a pair of radial reinforcing webs inclined toward each other and having their free edges in contact with each other, the webs forming the sole reinforcing means for the arcuate portion.

A further object is to provide a brake shoe comprising an arcuate portion and a pair of reinforcing webs forming the sole radial reinforcing means for the arcuate portion, openings being provided in the webs to permit the securing of the brake lining to the arcuate portion.

A further object is to provide a brake shoe comprising an arcuate portion and a pair of converging radial reinforcing webs forming the sole radial reinforcing means for the arcuate portion, a journal bush ng being extended through and secured to the webs to provide an anchoring means for theshoe.

A further object is to provide a brake shoe comprising an arcuate portion and a pair of converging radial reinforcing webs forming the sole reinforcing means for the arcuate portion, the metal at one end of the webs being folded into overlapping relationship and into contact with the ends of the webs to provide a support for a cam contact member.

These being among the objects of the present invention, the same consists of certain features of construction and combination of parts to be hereinafter described with reference to the accompanying drawing and then claimed having the above and other objecls in view.

In the accompanying drawing which illustrates a suitable embodiment of the present invention,

Figure 1 is a side elevation of the brake shoe showing the brake lining attached thereto.

Figure 2 is an enlarged taken on the line 22 of Figure 1.

Figure 3 is an enlarged, sectlonal view taken on thelineB-S ofFigure 1, showing 0 the journal bushing secured in the converging webs. 7

Figure 4 is an end View of the brakeshoe looking in the direction ofthe arrows H of Figure 1, showing the-cam contact'member secured thereto.

F gure 5 IS an enlarged fragmentary'lside elevational view showing the ends of the webs 'in folded position and the cam contact member secured thereto.

Referring to the accompanying drawing in which like numerals refer to like parts throughout the several views, the'brake shoe comprises a brake lining receiving portion 10 formed to conform with a brake drum (not shown). with which the shoe is adapted to engage. The free edges of the arcuate portion 10 are bent over to form radial reinforcing webs 11, bent so that the free edges thereof are adapted to contactwith each other, the same being welded together at 12 if so desired. Although itispreferable to weld the websll along the free edges at'1 2,

in some forms and sizes of brake shoes, this operation may not be necessaryand my invention is not limited tothis detail;

adapted to. receive a. brake lining 13. In order that the brake lining 13 may be secured to the arcuate portion 10, I preferably V sectional view 7 The arcuateporti0n 10 is formed and,

the under face of the arcuate portion 10 to- 1 provide reinforcements for the rivet 16 extending through the brake lining 13 and the arcuate, portion -10,for securing the brake lining 13 thereto. v 1 i y r The metal at one end of the webs 11 is preferably; folded as is clearly shown in Figures Land-5, as at 17 and 18, to provide a support for the cam contact member 19 which may be riveted, bolted, welded or otherwise securedto' the end face of the brake shoe. Adjacent to the end of the brake shoe opposite the camcontact member 19, I provide a journal bushing 20 extending through the converging Webs 11 to provide a pivot for the anchor pin. The journal bushing 20 is preferably secured in the Webs 11 by Welding the same thereto as at 21.

From the foregoing description it is read- 7 ily' apparent that a brake shoeis provided Which requires the minimum amount of material, which is rigid in construction, light It is further apparent that the arcuate lining supporting portion is formed With radial reinforcing Webs forming the sole radial re inforcing means therefor, which Webs are integral therewith thereby tending to give 7 added strength and rigidity to the brake shoe structure.

Formal changes may be made in the specific embodiment of the invention described Without departing from the spirit and substance of the'particular invention, the scope of which is commensurate With the appended claims.

NVhat I claimis:

' 1. A brake shoe comprising" a'pressed metal member having an arcuate portion'and Webs integral With and extendng radially from 7 portions of the metal of nal bushing extending Webs adjacent to the en contact member.

" therein permitting the securing the outer edges of said arcuate portion, said radial Webs converging toward and contactin 'with each other at their free edge, and a journal bushing-extending through said converging Webs. 1 g

2. A brake shoe comprising a pressed-metal member having an arcuate portion, and integral converging radially extending ZWebs, said radial Webs being cut from said Webs and folded in- Wardlyto permit securing means for a brake lining to be inserted through said arcuate portion.

3.-A-one piece brake shoe'comprising an arcuate portion and converging radially extending reinforcing end of saidvvebs being foldedagainst the end face thereof to provide a Y-shaped con tact for a cam contact member, and a jourthrough said i radial d opposite said cam 4. A brake shoe comprising, a .pressed metal member having an arcuateportion, and integral radially extending webs'converging and contacting with each other at their free edges, said Webs having openings formed of a brake lining on said arcuate portion, the metal cut out of the Webs to form folded against the arcuate portion to provide reinforcement means: y I Signed by me at South Bend, Indiana this 31st day of uly 1929.

for the brake lining securing 1n Weight and economical-to manufacture.

Webs, the metal at one said openings being GUY M. HARTSOCK. 

